diff --git a/README.md b/README.md
index 3b731c1..dc0bb1b 100644
--- a/README.md
+++ b/README.md
@@ -250,6 +250,10 @@ and [First Follow Notation-3 rules](https://www.w3.org/2000/10/swap/grammar/firs
 ## Documentation
 Full documentation available on [Rubydoc.info][EBNF doc].
 
+## Change Log
+
+See [Release Notes on GitHub](https://github.com/dryruby/ebnf/releases)
+
 ## Future Work
 * Better LL(1) parser tests
 
diff --git a/ebnf.gemspec b/ebnf.gemspec
index 7af2ad4..049d7e5 100755
--- a/ebnf.gemspec
+++ b/ebnf.gemspec
@@ -30,7 +30,7 @@ Gem::Specification.new do |gem|
 
   gem.required_ruby_version = '>= 3.0'
   gem.requirements          = []
-  gem.add_runtime_dependency     'sxp',             '~> 1.3'
+  gem.add_runtime_dependency     'sxp',             '~> 2.0'
   gem.add_runtime_dependency     'scanf',           '~> 1.0'
   gem.add_runtime_dependency     'rdf',             '~> 3.3' # Required by sxp
   gem.add_runtime_dependency     'htmlentities',    '~> 4.3'